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Thread: LR 300TDI performance info

  1. #1
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    Default LR 300TDI performance info

    Hello folks, Recently put a LR 300TDI with a mechanical fuel injection pump in my 1993 Range Rover Classic. I am hoping to find some information on performance tuning and ideas on getting the most out of the engine. I have found some info by searching google but nothing significant on anything but the stock configuration. Very interested in quick adjustments to increase performance and/or fuel economy.

    If you know of a link, it is much appreciated.

    Thanks,
    Todd

  2. #2
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    Try posting up on the D-90 Source.

    www.d-90.com
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  3. #3
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    I'll check it out...

  4. #4
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    Graham and Keith should be chiming in at any moment. I can't believe they haven't been drawn to this thread like a moth to a bright light yet...
    1997 D-90 SW LE
    1989 FJ62
    Adventure Trailer Horizon
    Tread Lightly! Trainer
    KI6GRW
    90% of all Land Rovers ever built are still on the road, the other 10% made it home...

  5. #5
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    Search for Bosch VE pump adjustment. It is the same as a Generation I Dodge Cummins or a Cummins 4BT. You can post in my forum and get some excellent responses. There are four adjustments, smoke screw, full power screw, fueling pin adjustment, and AFC spring adjustment. All found combined can yield little extra smoke and night and day power increase... Cheers, Andre



  6. #6
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    All the UK guys fit a bigger Intercooler as well.
    The Goat, '73 Series III coil conversion, PS conversion, Daihatsu 2.8 TD,dual ARB's etc. SOLD
    '97 Toyota LC, getting built

  7. #7
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    Oversized intercooler, bigger free flow exhaust, and pump adjustments like Andre said, The VE pump is simple and requires only a few specialized tools to work on that are readily available.. For the easy "no special tools" required version check out:
    http://www.d-90.com/forum/showthread...8&page=3&pp=15

    Shoudl be enough to get you in trouble.. Some guys claim up to 150 HP with head work.. I'll stick with mild and retain my fuel economy.
    Cheers!

    Keith
    www.rovertracks.com
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  8. #8
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    Also make sure you have an EGT gauge before making any adjustments...

    I think the larger intercooler might help but it not required. A free flowing exhaust though goes a long way. I would consider 2.5 or 3" bare minimum even out of a small engine like a 300TDI.

  9. #9
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    The intercooler on the 300 is Tiny! that said if a guy could have it re-cored with a modern freer (?) flowing core you might do as well.. Yes EGT most important.. Diesels cool by air moving through them.. the more cool air going through the more reasonable the temperature will stay under the load.
    Big path for the air to come in bigger path for the air to get out..
    Cheers!

    Keith
    www.rovertracks.com
    The New kid on the block! 1985 Diesel D90 pickup (for a little while)
    RT1 '97 Disco SD (on steroids)
    RT2 '97 Disco XD (built to rock)
    RT110 '97 110 (Getting bigger, badder and better)
    '95 RRC LWB (Sadly it is sold )
    '67 S2a 109 SW (someday I'll finish it)

  10. #10
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    gjackson is offline Overland Training Alumni
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    Graham and Keith should be chiming in at any moment. I can't believe they haven't been drawn to this thread like a moth to a bright light yet..
    Yikes! Something was calling me, but I thought it was just the beer in the fridge! Anyway, what Andre and Keith said. . .

    cheers

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